#include<iostream>
#include "BSTree.h"
using namespace std;

int main() {
	
	BSTree* bst = new BSTree();
	cout << "empty?\t" << bst->isEmpty() << endl;
	string str[] = {"ee","c","g","b","d","a"};
	for (int i = 0; i < 6; i++)
	{	
		bst->insertNode(str[i]);
	}
	bst->prePrintTree();
	bst->deleteTree();
	return 0;
}